WILLER ACADEMY

Class 10 Science Chapter 6 Quiz

Life Processes

1. The process of breakdown of food to release energy is called:
a) Photosynthesis b) Respiration c) Digestion d) Excretion

2. Which enzyme is present in saliva?
a) Pepsin b) Amylase c) Lipase d) Trypsin

3. The functional unit of kidney is:
a) Neuron b) Nephron c) Alveolus d) Villus

4. Which blood vessel carries oxygenated blood from lungs to heart?
a) Pulmonary artery b) Pulmonary vein c) Aorta d) Vena cava

5. Which pigment is responsible for photosynthesis?
a) Haemoglobin b) Chlorophyll c) Melanin d) Keratin

6. What is peristalsis? (2 marks)

7. Name the organ where bile is produced and state its function. (2 marks)

8. Write three differences between aerobic and anaerobic respiration. (3 marks)

9. Explain the process of excretion in plants. (3 marks)

10.
a) Describe the structure and function of nephron with a diagram.
b) State two differences between arteries and veins. (5 marks)

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